Basic tools and rock-picking

when you loaded your save, and entered the game, you will saw some rocks and sticks, collect them as much as you need, because you need them to make basic tools.

you cannot chop tree with your hand, instead you could make a rock axe head and combine it with a stick to make a stone axe, it have very low durability so it's recommended to make several of them.

to make it, right click the rock, you must have 2 on your hand, to make any tools.

take a look at NEI for the recipe

when picking those thing on the grass, you probably will also get some mineral rocks, remember to mark them by pressing "B". you may also name the mark as the minerals you found